gas/

[external/binutils.git] / gdb / go32-nat.c

diff --git a/gdb/go32-nat.c b/gdb/go32-nat.c
index befa75e..4dac617 100644 (file)
--- a/gdb/go32-nat.c
+++ b/gdb/go32-nat.c
@@ -1,6 +1,5 @@
 /* Native debugging support for Intel x86 running DJGPP.
-   Copyright (C) 1997, 1999-2001, 2005-2012 Free Software Foundation,
-   Inc.
+   Copyright (C) 1997-2013 Free Software Foundation, Inc.
    Written by Robert Hoehne.
 
    This file is part of GDB.
@@ -97,10 +96,12 @@
 #include "buildsym.h"
 #include "i387-tdep.h"
 #include "i386-tdep.h"
+#include "i386-cpuid.h"
 #include "value.h"
 #include "regcache.h"
 #include "gdb_string.h"
 #include "top.h"
+#include "cli/cli-utils.h"
 
 #include <stdio.h>             /* might be required for __DJGPP_MINOR__ */
 #include <stdlib.h>
@@ -234,7 +235,7 @@ static int dr_ref_count[4];
 
 static int prog_has_started = 0;
 static void go32_open (char *name, int from_tty);
-static void go32_close (int quitting);
+static void go32_close (void);
 static void go32_attach (struct target_ops *ops, char *args, int from_tty);
 static void go32_detach (struct target_ops *ops, char *args, int from_tty);
 static void go32_resume (struct target_ops *ops,
@@ -370,7 +371,7 @@ go32_open (char *name, int from_tty)
 }
 
 static void
-go32_close (int quitting)
+go32_close (void)
 {
 }
 
@@ -876,7 +877,7 @@ go32_terminal_init (void)
 }
 
 static void
-go32_terminal_info (char *args, int from_tty)
+go32_terminal_info (const char *args, int from_tty)
 {
   printf_unfiltered ("Inferior's terminal is in %s mode.\n",
                     !inf_mode_valid
@@ -1027,9 +1028,6 @@ init_go32_ops (void)
 
   /* We are always processing GCC-compiled programs.  */
   processing_gcc_compilation = 2;
-
-  /* Override the default name of the GDB init file.  */
-  strcpy (gdbinit, "gdb.ini");
 }
 
 /* Return the current DOS codepage number.  */
@@ -1141,6 +1139,21 @@ go32_sysinfo (char *arg, int from_tty)
   else if (u.machine[0] == 'i' && u.machine[1] > 4)
     {
       /* CPUID with EAX = 0 returns the Vendor ID.  */
+#if 0
+      /* Ideally we would use i386_cpuid(), but it needs someone to run
+         native tests first to make sure things actually work.  They should.
+         http://sourceware.org/ml/gdb-patches/2013-05/msg00164.html  */
+      unsigned int eax, ebx, ecx, edx;
+
+      if (i386_cpuid (0, &eax, &ebx, &ecx, &edx))
+       {
+         cpuid_max = eax;
+         memcpy (&vendor[0], &ebx, 4);
+         memcpy (&vendor[4], &ecx, 4);
+         memcpy (&vendor[8], &edx, 4);
+         cpuid_vendor[12] = '\0';
+       }
+#else
       __asm__ __volatile__ ("xorl   %%ebx, %%ebx;"
                            "xorl   %%ecx, %%ecx;"
                            "xorl   %%edx, %%edx;"
@@ -1157,6 +1170,7 @@ go32_sysinfo (char *arg, int from_tty)
                            :
                            : "%eax", "%ebx", "%ecx", "%edx");
       cpuid_vendor[12] = '\0';
+#endif
     }
 
   printf_filtered ("CPU Type.......................%s", u.machine);
@@ -1182,6 +1196,10 @@ go32_sysinfo (char *arg, int from_tty)
       int amd_p = strcmp (cpuid_vendor, "AuthenticAMD") == 0;
       unsigned cpu_family, cpu_model;
 
+#if 0
+      /* See comment above about cpuid usage.  */
+      i386_cpuid (1, &cpuid_eax, &cpuid_ebx, NULL, &cpuid_edx);
+#else
       __asm__ __volatile__ ("movl   $1, %%eax;"
                            "cpuid;"
                            : "=a" (cpuid_eax),
@@ -1189,6 +1207,7 @@ go32_sysinfo (char *arg, int from_tty)
                              "=d" (cpuid_edx)
                            :
                            : "%ecx");
+#endif
       brand_idx = cpuid_ebx & 0xff;
       cpu_family = (cpuid_eax >> 8) & 0xf;
       cpu_model  = (cpuid_eax >> 4) & 0xf;
@@ -1703,8 +1722,7 @@ go32_sldt (char *arg, int from_tty)
 
   if (arg && *arg)
     {
-      while (*arg && isspace(*arg))
-       arg++;
+      arg = skip_spaces (arg);
 
       if (*arg)
        {
@@ -1774,8 +1792,7 @@ go32_sgdt (char *arg, int from_tty)
 
   if (arg && *arg)
     {
-      while (*arg && isspace(*arg))
-       arg++;
+      arg = skip_spaces (arg);
 
       if (*arg)
        {
@@ -1816,8 +1833,7 @@ go32_sidt (char *arg, int from_tty)
 
   if (arg && *arg)
     {
-      while (*arg && isspace(*arg))
-       arg++;
+      arg = skip_spaces (arg);
 
       if (*arg)
        {
@@ -1987,8 +2003,7 @@ go32_pde (char *arg, int from_tty)
 
   if (arg && *arg)
     {
-      while (*arg && isspace(*arg))
-       arg++;
+      arg = skip_spaces (arg);
 
       if (*arg)
        {
@@ -2038,8 +2053,7 @@ go32_pte (char *arg, int from_tty)
 
   if (arg && *arg)
     {
-      while (*arg && isspace(*arg))
-       arg++;
+      arg = skip_spaces (arg);
 
       if (*arg)
        {
@@ -2066,8 +2080,7 @@ go32_pte_for_address (char *arg, int from_tty)
 
   if (arg && *arg)
     {
-      while (*arg && isspace(*arg))
-       arg++;
+      arg = skip_spaces (arg);
 
       if (*arg)
        addr = parse_and_eval_address (arg);